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  <p>​        Please allow me to introduce myself briefly.</p> 
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  <h5 id="1-Why-was-your-academic-performance-in-your-undergraduate-studies-unsatisfactory-（本科成绩不理想）"><a href="#1-Why-was-your-academic-performance-in-your-undergraduate-studies-unsatisfactory-（本科成绩不理想）" class="headerlink" title="1. Why was your academic performance in your undergraduate studies unsatisfactory ?（本科成绩不理想）"></a>1. Why was your academic performance in your undergraduate studies unsatisfactory ?（本科成绩不理想）</h5><p>&ensp;&ensp;&ensp;&ensp; First of all, I must admit that my grades during my undergraduate course are unsatisfactory.  </p>
<p>&ensp;&ensp;&ensp;&ensp; The main reason is that when I entered the university, I failed to adjust myself to college-level studies as soon as possible,  which caused me to fall behind others slightly at the starting point.  </p>
<p>&ensp;&ensp;&ensp;&ensp; However, after talking with my tutor and classmates, I started to adjust my situation gradually. </p>
<p>&ensp;&ensp;&ensp;&ensp; On the one hand, I actively participated in various activities and competitions on and off campus,  and honed(用石头磨) my interpersonal skills and ability to resist pressure.  </p>
<p>&ensp;&ensp;&ensp;&ensp; On the other hand, I focused on my studies, constantly expanding my theoretical knowledge improving my learning ability and solving my academic doubts in time. </p>
<p>&ensp;&ensp;&ensp;&ensp; All these efforts enabled me to get high marks in my later studies and successfully passed the postgraduate examination.</p> 
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  <p>ctrl+shift+P打开显示所有命令，在输入框中输入settings回车</p>
<p>选择User Settings那一项</p> 
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<h3 id="①下标法"><a href="#①下标法" class="headerlink" title="①下标法"></a>①下标法</h3><figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="meta-keyword">include</span><span class="meta-string">&lt;stdio.h&gt;</span></span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">main</span><span class="params">()</span></span>&#123;</span><br><span class="line">	<span class="keyword">int</span> a[<span class="number">10</span>];</span><br><span class="line">	<span class="keyword">int</span> i;</span><br><span class="line">	<span class="keyword">for</span> (i = <span class="number">0</span>; i&lt;<span class="number">10</span>; i++)</span><br><span class="line">		<span class="built_in">scanf</span>(<span class="string">"%d"</span>, &amp;a[i]);</span><br><span class="line">	<span class="keyword">for</span> (i = <span class="number">0</span>; i&lt;<span class="number">10</span>; i++)</span><br><span class="line">		<span class="built_in">printf</span>(<span class="string">"%d\n"</span>, a[i]);</span><br><span class="line">	<span class="built_in">printf</span>(<span class="string">"\n"</span>);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<h3 id="②由数组名计算地址"><a href="#②由数组名计算地址" class="headerlink" title="②由数组名计算地址"></a>②由数组名计算地址</h3><figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="meta-keyword">include</span><span class="meta-string">&lt;stdio.h&gt;</span></span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">main</span><span class="params">()</span></span>&#123;</span><br><span class="line">	<span class="keyword">int</span> a[<span class="number">10</span>];</span><br><span class="line">	<span class="keyword">int</span> i;</span><br><span class="line">	<span class="keyword">for</span> (i = <span class="number">0</span>; i&lt;<span class="number">10</span>; i++)</span><br><span class="line">		<span class="built_in">scanf</span>(<span class="string">"%d"</span>, &amp;a[i]);</span><br><span class="line">	<span class="built_in">printf</span>(<span class="string">"\n"</span>);</span><br><span class="line">	<span class="keyword">for</span> (i = <span class="number">0</span>; i&lt;<span class="number">10</span>; i++)</span><br><span class="line">		<span class="built_in">printf</span>(<span class="string">"%d\n"</span>, *(a + i));</span><br><span class="line">	<span class="built_in">printf</span>(<span class="string">"\n"</span>);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<h3 id="③用指针变量指向数组元素"><a href="#③用指针变量指向数组元素" class="headerlink" title="③用指针变量指向数组元素"></a>③用指针变量指向数组元素</h3><figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="meta-keyword">include</span><span class="meta-string">&lt;stdio.h&gt;</span></span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">main</span><span class="params">()</span></span>&#123;</span><br><span class="line">	<span class="keyword">int</span> a[<span class="number">10</span>];</span><br><span class="line">	<span class="keyword">int</span> i, *p;</span><br><span class="line">	<span class="keyword">for</span> (i = <span class="number">0</span>; i&lt;<span class="number">10</span>; i++)</span><br><span class="line">		<span class="built_in">scanf</span>(<span class="string">"%d"</span>, &amp;a[i]);</span><br><span class="line">	<span class="built_in">printf</span>(<span class="string">"\n"</span>);</span><br><span class="line">	<span class="keyword">for</span> (p = a; p&lt;(a + <span class="number">10</span>); p++)</span><br><span class="line">		<span class="built_in">printf</span>(<span class="string">"%d"</span>, *p);</span><br><span class="line">	<span class="built_in">printf</span>(<span class="string">"\n"</span>);</span><br><span class="line"></span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure> 
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  <p>1 预处理<br>问题1：什么是预编译？何时需要预编译？</p> 
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  <h3 id="1-用变量a给出下面的定义"><a href="#1-用变量a给出下面的定义" class="headerlink" title="1.用变量a给出下面的定义."></a>1.用变量a给出下面的定义.</h3><p>a) 一个整型数<br>b) 一个指向整型数的指针<br>c) 一个指向指针的的指针，它指向的指针是指向一个整型数<br>d) 一个有10个整型数的数组<br>e) 一个有10个指针的数组，该指针是指向一个整型数的<br>f) 一个指向有10个整型数数组的指针<br>g) 一个指向函数的指针，该函数有一个整型参数并返回一个整型数<br>h) 一个有10个指针的数组，该指针指向一个函数，该函数有一个整型参数并返回一个整型数</p>
<p>答案是:<br>a) int a;<br>b) int <em>a;<br>c) int *</em>a;<br>d) int a[10];<br>e) int <em>a[10];<br>f) int (</em>a)[10];<br>g) int (<em>a)(int);<br>h) int (</em>a[10])(int);</p> 
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  <h2 id="钉钉视频下载"><a href="#钉钉视频下载" class="headerlink" title="钉钉视频下载"></a>钉钉视频下载</h2> 
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  <p>第一部分：基本概念及其它问答题</p> 
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  <p>排序方法有很多种：选择排序，冒泡排序，归并排序，快速排序等。 看名字都知道快速排序是目前公认的一种比较好的排序算法。因为他速度很快，所以系统也在库里实现这个算法，便于我们的使用。 这就是qsort函数(全称quicksort)。它是ANSI C标准中提供的，其声明在stdlib.h文件中，是根据二分法写的，其时间复杂度为n*log(n)</p>
<p>功能： 使用快速排序例程进行排序<br>头文件：stdlib.h</p> 
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  <h3 id="第1题，c语言有哪些核心的特征？"><a href="#第1题，c语言有哪些核心的特征？" class="headerlink" title="第1题，c语言有哪些核心的特征？"></a>第1题，c语言有哪些核心的特征？</h3><p>可移植性很强。</p>
<p>模块化能力很强。</p>
<p>灵活性很高。</p>
<p>加载速度和执行速度都很好。</p>
<p>可扩展性很强。</p> 
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